The Antique [ビブリア古書堂の事件手帖]

Job-hunting Daisuke heads to the Antiquarian Bookshop Biblia in Kita-Kamakura with a book signed by Natsume Soseki that his deceased grandmother left behind. He asks the beautiful shop owner Shioriko to authenticate the book. However, the book in question hides an unexpected secret from his grandmother.